I sold my old cMP 2,1 Dual Quad 3ghz to a very good friend last year.
8 gb RAM = 4 x 2gb installed in 1 ~ 4 ram slots ( bottom RAM tray "A" ).
No red RAM LEDs after boot up.
GPU genuine Apple HD 4870 512mb shows EFI bootselector
I've also had it booting from a flashed XFX HD 5770
Using PCI slot 1 x16
History :
This 2,1 had a replacement backplane installed by an accredited Apple reseller around ( EDIT ) 2008.
I installed Mavericks 9.5 ( I'm aware it's unsupported but it was working with no problems). I also installed WIn7 which was also working.
I tried a new install of Snow Leopard 10.6.8 - did this install to the 2,1's spinner HD on my cMP 4,1>5,1
Around 2009 I changed the onboard CR20132 battery ( power cable was removed. Wrong ? . . . and lost my Firewire sockets but the cMP otherwise worked normally in every other aspect.
I've had it booting from a flashed XFX HD 5770 & the HD 4870
Problem :
1. No chime at startup. ( removed the audio speaker unit & checked that the 2 pin cable was connected to the motherboard. MP4 videos play OK WITH headphone audio.
2. Now no matter which Apple OS or Win 7 is run either I get a KP after about 4 minutes or either OS loads up and everything freezes after 4 minutes.
3. Now just had Snow Leopard working for 10 minutes until the dreaded Kernel Panic returned.
4. I have the correct AHT CD but holding down "D" at startup just doesn't work so it sounds like a hardware problem seeing the Win 7 freezes too yet both Snow Leopard & Win 7 & Mavericks ALL boot up . . . then . . . either freeze or Kernel Panic .
==================
Console log ( PDF) from 10.6.8 install.
I would be very grateful to hear from any 2,1 owners whom have been in a similar situation and found the cause
8 gb RAM = 4 x 2gb installed in 1 ~ 4 ram slots ( bottom RAM tray "A" ).
No red RAM LEDs after boot up.
GPU genuine Apple HD 4870 512mb shows EFI bootselector
I've also had it booting from a flashed XFX HD 5770
Using PCI slot 1 x16
History :
This 2,1 had a replacement backplane installed by an accredited Apple reseller around ( EDIT ) 2008.
I installed Mavericks 9.5 ( I'm aware it's unsupported but it was working with no problems). I also installed WIn7 which was also working.
I tried a new install of Snow Leopard 10.6.8 - did this install to the 2,1's spinner HD on my cMP 4,1>5,1
Around 2009 I changed the onboard CR20132 battery ( power cable was removed. Wrong ? . . . and lost my Firewire sockets but the cMP otherwise worked normally in every other aspect.
I've had it booting from a flashed XFX HD 5770 & the HD 4870
Problem :
1. No chime at startup. ( removed the audio speaker unit & checked that the 2 pin cable was connected to the motherboard. MP4 videos play OK WITH headphone audio.
2. Now no matter which Apple OS or Win 7 is run either I get a KP after about 4 minutes or either OS loads up and everything freezes after 4 minutes.
3. Now just had Snow Leopard working for 10 minutes until the dreaded Kernel Panic returned.
4. I have the correct AHT CD but holding down "D" at startup just doesn't work so it sounds like a hardware problem seeing the Win 7 freezes too yet both Snow Leopard & Win 7 & Mavericks ALL boot up . . . then . . . either freeze or Kernel Panic .
==================
Console log ( PDF) from 10.6.8 install.
I would be very grateful to hear from any 2,1 owners whom have been in a similar situation and found the cause
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